A complete guide to Beijing lamb spine hotpot, or Yang Xiezi, explaining bone-in lamb spine, clear and spicy broths, dipping sauce, side dishes, winter appeal, and how to order it.
Lamb Spine Hotpot, known in Chinese as Yang Xiezi, is one of Beijing's most satisfying cold-weather meals. The dish is built around bone-in lamb spine simmered until the meat turns tender and the broth becomes rich with marrow, lamb aroma, spices, and vegetables added later in the meal.
Unlike instant-boiled mutton, where thin lamb slices cook in seconds, Yang Xiezi is slower and more rustic. It asks diners to work around bones, pick tender meat from the spine, and let the broth deepen before adding tofu, greens, mushrooms, potatoes, or noodles.
The name refers to the shape of the lamb spine, which is often compared to a scorpion. The important point for diners is texture: lamb spine has bones, joints, small pockets of meat, and marrow-rich sections. The pleasure is not a clean sliced-meat bite; it is the slow, social process of eating bone-in lamb from a bubbling pot.
Restaurants vary widely. Some serve a clear or lightly spiced broth that lets the lamb flavor stay central. Others use a red broth with dried chilies, cumin, Sichuan pepper, and warming aromatics. A split pot is useful for groups because it lets cautious diners use the clearer side while spice lovers use the red side.
A Beijing-style sesame paste sauce works well with lamb spine hotpot. Fermented tofu, leek flower sauce, cilantro, scallion, garlic, chili oil, vinegar, and sesame paste all help cut through lamb richness. The sauce should be sharp and aromatic enough to balance the broth, but not so salty that it overwhelms the meat.
Yang Xiezi is best for groups, winter evenings, and diners who enjoy bone-in meat. It is generous, messy, and informal. If you prefer very clean, quick cooking, start with instant-boiled mutton first, then try lamb spine hotpot later.
Yang Xiezi belongs to Beijing's winter food culture: lamb, broth, shared pots, sesame-based sauce, and long meals with friends. It is less famous internationally than Peking Duck, but it gives travelers a practical taste of how Beijing residents warm up through food.
For the eating sequence, read how to eat lamb spine hotpot. For sauce, use the Beijing hotpot dipping sauce guide.
This guide is original editorial content. The links below were used for factual cross-checking, official dish context, restaurant context, and dining terminology; they are not copied source text.
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